Table 2.
The intra- and inter-day precision which proves the acceptable accuracy and precision of the method developed
| Concentration added (ng/ml) | Concentration founded (ng/ml) | SD* | CV%** | Bias% | Recovery | n*** |
|---|---|---|---|---|---|---|
| Intra-day | ||||||
| 30 | 28.3 | 2.00 | 7.14 | 4.3 | 93.3 | 3 |
| 50 | 51.1 | 1.13 | 2.23 | 2.2 | 102 | 3 |
| 100 | 101 | 2.35 | 2.37 | 1 | 101 | 3 |
| Inter-day | ||||||
| 30 | 28.3 | 2.00 | 7.52 | 4.3 | 92 | 3 |
| 50 | 50.51 | 1.13 | 2.23 | 1.02 | 101 | 3 |
| 100 | 99.4 | 2.35 | 2.37 | −0.6 | 99.4 | 3 |
*
Standard deviation of the response
**
Coefficient of variation value
***
repeat number of test